Directions : For the Assertion (A) and Reason (R) | Assertion and Reason Questions & Answers

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : An atom is neutral despite the charged particles in it.

Reason (R) : The neutrons do not have any charge.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) A is false but R is true.

Answer & Explanation Answer: B) Both A and R are true but R is NOT the correct explanation of A.

Explanation:

An atom contains the positively charged protons and an equal number of negatively charged electrons So, it is neutral

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Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : Carbon monoxide when inhaled causes death.

Reason (R) : Carbon monoxide combines with haemoglobin.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and It are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) A is false but R is true.

Answer & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

Carbon monoxide, when inhaled, combines with haemoglobin of blood to form carboxyhaemoglobin which inhibits the transport of oxygen.

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Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : Glass tumbler breaks in winter when hot water is poured in it.

Reason (R) : When hot water is poured. the outer surface of glass expands.